Sentinel Security Group provides comprehensive security solutions to commercial, retail, and residential clients across Gauteng. PSIRA registered. 24/7 armed response. 2 400+ sites secured.
Security Services
From 24/7 armed response to enterprise-grade access control — every service is delivered by PSIRA-registered officers and backed by our operations centre.
Grade A PSIRA-registered armed officers responding to alarm activations with an average response time under 4 minutes across our Johannesburg network.
Uniformed security officers posted at commercial buildings, warehouses, retail centres, and estates. CIT and high-risk site specialists available.
AI-assisted CCTV installation, remote monitoring, and 24/7 live feed surveillance from our Johannesburg operations centre. HD to 4K resolution systems.
Biometric, card, and PIN-based access systems for office blocks, parking areas, and secure zones. Supply, installation, and ongoing maintenance included.
About Sentinel
Founded in 2006, Sentinel Security Group has protected South African businesses, residential estates, and retail centres for nearly two decades. Our officers are not just guards — they are trained response professionals who understand threat environments.
Client Testimonials
"Sentinel has guarded our Sandton flagship store for four years. Zero incidents. The officers are professional, visible, and know our premises inside out. They're part of our team."
"After two break-ins, we installed Sentinel's CCTV and access control system. Not a single security incident in the 22 months since. The ROI on peace of mind alone is invaluable."
"Armed response was at our premises in under 3 minutes. The incident was contained before police arrived. That kind of response time is what makes Sentinel different from the rest."
Get a free, no-obligation security assessment of your premises. We respond within 4 hours. Johannesburg and surrounding Gauteng areas.